H02J 7/24
Using discharge tubes or semiconductor devices
Official title: using discharge tubes or semiconductor devices
H02J7/24 (Using discharge tubes or semiconductor devices) appears on 371 US grants and 245 published applications in this corpus.
Search patents in H02J- Granted patents
- 371
- Published applications
- 245
- Assignees
- 140
- Inventors
- 635
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 6 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 6 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 8 | 0 |
| 1987 | 8 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 10 | 0 |
| 1991 | 3 | 0 |
| 1992 | 7 | 0 |
| 1993 | 7 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 10 | 0 |
| 1999 | 11 | 0 |
| 2000 | 8 | 0 |
| 2001 | 4 | 3 |
| 2002 | 9 | 13 |
| 2003 | 7 | 8 |
| 2004 | 12 | 6 |
| 2005 | 5 | 6 |
| 2006 | 9 | 9 |
| 2007 | 14 | 13 |
| 2008 | 8 | 4 |
| 2009 | 4 | 5 |
| 2010 | 4 | 1 |
| 2011 | 4 | 2 |
| 2012 | 3 | 2 |
| 2013 | 2 | 6 |
| 2014 | 2 | 3 |
| 2015 | 3 | 0 |
| 2016 | 5 | 6 |
| 2017 | 1 | 15 |
| 2018 | 7 | 55 |
| 2019 | 42 | 23 |
| 2020 | 39 | 13 |
| 2021 | 17 | 11 |
| 2022 | 14 | 9 |
| 2023 | 4 | 8 |
| 2024 | 9 | 8 |
| 2025 | 7 | 8 |
| 2026 | 6 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Charging system22 Sep 2026US 12,744,393 B2Toyota Jidosha Kabushiki Kaisha
- Circuit combining functions of charging and activating motorcycle screen projection without an additional wearable device15 Sep 2026US 12,735,137 B1
- Four-wheel drive electrified vehicle with charging system utilizing motor and multiple inverters25 Aug 2026US 12,715,325 B2Hyundai Motor Company
- Power supply system14 Jul 2026US 12,683,409 B2Toyota Jidosha Kabushiki Kaisha
- Electric bicycle self-recharging system2 Jun 2026US 12,643,422 B2
- Regulator for a vehicle6 Aug 2026US 2026/0229902 A1Brp-Rotax GmbH & Co. KG
- System voltage ripple reduction23 Jul 2026US 2026/0213563 A1QUALCOMM Incorporated
- Power Management System25 Jun 2026US 2026/0180330 A1Newable Power LLC
- Vehicle charging switching system and method, storage medium, and charging controller11 Jun 2026US 2026/0163398 A1Contemporary Amperex Intelligence Technology (Shanghai) Limited
- Power supply system23 Apr 2026US 2026/0112899 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Load response control and method98US 4,931,717 AMotorola, Inc. · 1990
- Generator voltage regulating system80US 4,636,706 AGeneral Motors Corporation · 1987
- Charging generator control for vehicles60US 5,444,354 AHitachi Automotive Engineering Co., Ltd. · 1995
- Device for setting the output voltage in a three-phase alternator57US 6,163,138 ARobert Bosch GmbH · 2000
- Voltage regulator structure for automotive-type generators54US 4,128,801 ARobert Bosch GmbH · 1978